↳ Nocturnal | Tends to sleep during the day more, and work at night.
↳ Rarely Leaves Work | Due to wanting to sleep all day and work all night, he sleeps at his desk during the day and works on it at night, fueling himself with many, many energy drinks.
↳ Prone to Hyper Fits | We call these "fits" because they're completely random. He'll run around like an insane person for twenty minutes and the next you'll find him napping on the copy machine.
↳ Photographic Memory | Remembers everything he has ever heard, read, or seen. It's somewhat of a curse.
↳ Cares Little about Money | Since he grew up with so much of it, he doesn't really like it... He's often seen giving away money, or just throwing it away.

Ryu does not feel nervous in social situations, and has a good impression of what others think of him. He likes to speak out, take charge, and direct the activities of others. He is usually the leader in group activities. He prefers dealing with either people or things rather than ideas. He regards intellectual exercises as a waste of his time. He finds helping other people genuinely rewarding and is generally willing to assist those who are in need. He also finds that doing things for others is a form of self-fulfillment rather than self-sacrifice, however he does not enjoy confrontation, but will stand up for himself or push his point if he feels it is important. He has strong will-power and is able to overcome your reluctance to begin tasks. He is a calm person who is considered almost fearless by some. He rarely gets angry and it takes a lot to make him angry. Mostly his emotions are on an even keel and he does not get depressed easily. He does not feel nervous in social situations, and has a good impression of what others think of him. He is poised, confident, and clear-thinking when stressed.

He genuinely likes other people and will openly demonstrate positive feelings toward others. He makes friends quickly and it is easy for him to form close, intimate relationships. He finds the company of others pleasantly stimulating and rewarding, and enjoys the excitement that crowds provide. He likes to speak out, take charge, and direct the activities of others. He is usually the leader in group activities. He leads a fast-paced and busy life. He moves about quickly, energetically, and vigorously and is always involved in many activities. He loves the bright lights and hustle and bustle. He takes risks, and he seeks thrills. He is a moderately imaginative person who enjoys a good balance between the real world and fantasy. Ryu is reasonably interested in the arts, but mostly interested in just music. He has good access to and awareness of his own feelings. Always eager to try new activities, travel, and experience different things. Finding familiarity and routine boring, he will take a new route home just because it is different. Often he exhibits a readiness to challenge authority, convention, and traditional values. He also feels a certain degree of hostility toward rules and perhaps even enjoy ambiguity.

He naturally assumes that most people are fair, honest, and have good intentions. He sees no need for pretense or manipulation when dealing with others and are therefore candid, frank and sincere. People find it relatively easy to relate to him. He does not like to claim that he is better than other people, and is generally shy from talking himself up. He is tenderhearted and compassionate, feeling the pain of others vicariously and are easily moved to pity. He believes that he has the intelligence, common sense, drive, and self-control necessary for achieving success. In general he tends to be disorganized and scattered. His sense of duty and obligation is average and although he is mostly responsible, he can sometimes be unreliable. He often says or does the first thing that comes to mind without deliberating alternatives and the probable consequences of those alternatives.